<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: focusgroup - Focus moves to previous item, skipping over an empty extending focusgroup that wraps on itself.</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/">
<link rel="help" href="https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/Focusgroup/explainer.md">
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<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="../resources/focusgroup-utils.js"></script>

<div focusgroup=wrap>
  <span id=item1 tabindex=0>item1</span>
  <div>
    <div focusgroup="extend wrap">
      <span id=item2>item2</span> <!-- Not focusable -->
      <span id=item3>item3</span> <!-- Not focusable -->
    </div>
  </div>
  <span id=item4 tabindex=-1>item4</span>
</div>

<script>

  promise_test(async t => {
    var item1 = document.getElementById("item1");
    var item4 = document.getElementById("item4");

    await focusAndKeyPress(item4, kArrowUp);
    assert_equals(document.activeElement, item1);

    await focusAndKeyPress(item4, kArrowLeft);
    assert_equals(document.activeElement, item1);
  }, "When the focus is set on the last item of a focusgroup and the previous item is located past an extending focusgroup that wraps but has no item in it, a backward arrow key press should move the focus to that previous item without getting stuck in the inner focusgroup.");

</script>